25268017 has 2 divisors, whose sum is σ = 25268018. Its totient is φ = 25268016.

The previous prime is 25268011. The next prime is 25268021. The reversal of 25268017 is 71086252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19927296 + 5340721 = 4464^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 25268017 - 2¹⁹ = 24743729 is a prime.

It is a super-2 number, since 2×25268017² = 1276945366224578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25268017.

It is not a weakly prime, because it can be changed into another prime (25268011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634008 + 12634009.

It is an arithmetic number, because the mean of its divisors is an integer number (12634009).

Almost surely, 2^25268017 is an apocalyptic number.

It is an amenable number.

25268017 is a deficient number, since it is larger than the sum of its proper divisors (1).

25268017 is an equidigital number, since it uses as much as digits as its factorization.

25268017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 25268017 is about 5026.7302493768. The cubic root of 25268017 is about 293.4429771188.

The spelling of 25268017 in words is "twenty-five million, two hundred sixty-eight thousand, seventeen".